She was outside naked

The Countdown to Artificial Intelligence. Is there a Planet B? Bad for our Brains? This week The Naked Scientists programme examines work, hearing how our behaviour and our buildings can change to boost our health and productivity. How High Can we Build? Plus, in the news, farewell to Cassini, the science of hurricanes, and how scientists are now able to see what's in the atmospheres of remote planets hundreds of light years away. To celebrate his birthday, Wyclef Jean produced this amazing snap.

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Plus, news of how gut bacteria can control our response to cancer treatment and how a rare opportunity allowed scientists to 'get inside' the human mind. Welcome to our site explosiveweapons. Why do clouds move? Can Science Reverse Ageing? Plus we had a giant snake, a few skulls, a couple of "feet" and one of the oldest rocks on Earth in the studio. This week, we put your questions to our expert panel of scientists - What's the tallest possible building? We follow a day in the life inexploring the cities, transport, workplaces and health of the future.